How fully do the major characters (e.g. Berniece, Boy Willie, Doaker, etc.) acknowledge slavery's influence? How does each character try to break

How fully do the major characters (e.g. Berniece, Boy Willie, Doaker, etc.) acknowledge slavery's influence? How does each character try to break free of it? And finally, how do the play's gothic elements contribute to our understanding of slavery's lingering power to shape the attitudes and behavior of the characters in